순수 티타늄 주조체의 주형온도에 따른 용탕반응성 및 표면거칠기
Microstructures and Mechanical Properties of Pure Titanium Casting Specimens with Mold Temperatures
차성수, 남상용, 송영주,
소속 상세정보
차성수 ( Cha Sung-Soo ) - 진주보건대학 치기공과
남상용 ( Nam Sang-Yong ) - 대구보건대학 치기공과
송영주 ( Song Young-Ju ) - 하나로 치과기공소
KMID : 0362120100320040315
Abstract
The purpose of this study was to investigate the change of microstructures and mechanical properties of pure titanium casting specimens as a function of mold temperatures. The pure titanium castings were fabricated using the centrifugal vacuum casting method with different mold temperatures of 200~500℃ . The resulting castings were characterized by optical microscopy, scanning electron microscopy, energy dispersive X-ray spectroscopy and vicker,s hardness tester. In case of the mold temperatures over 400℃, the porosity, surface crack and large grain size were observed in resulting castings. In this work, The most suitable mold temperature in casting of pure titanium was 300℃.
키워드
Titanium;Centrifugal vacuum casting;Mold temperature;Microstructure;Mechanical property
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